Watlow EZ-ZONE RMH - Manual (Page 114)

Watlow EZ-ZONE ® RMH Module • 111 • Chapter 6 Features
to) the Modbus address of a parameter within the
controller.
Assembly Working Addresses
- Fixed addresses directly related to their associ-
ated "Assembly Definition Addresses" (e.g., As-
sembly Working Addresses 200 & 201 will as-
sume the parameter pointed to by Assembly Defi-
nition Addresses 40 & 41).
When the Modbus address of a target parameter is
stored in an "Assembly Definition Address" its cor-
responding working address will return that param-
eter’s actual value. If it’s a writable parameter, writ-
ing to its working register will change the param-
eter’s actual value.
As an example, Modbus register 410 contains the
Analog Input 1 Process Value (See Operations Page,
Analog Input Menu). If the value 410 is loaded into
Assembly Definition Address 91, the process value
sensed by analog input 1 will also be stored in Mod-
bus registers 250 and 251. Note that by default all
registers are set to Hardware ID.
The table (See Appendix: Modbus Programmable
Memory Blocks ) identified as "Assembly Definition
Addresses and Assembly Working Addresses" reflects
the assemblies and their associated addresses.